3216317540255 has 4 divisors (see below), whose sum is σ = 3859581048312. Its totient is φ = 2573054032200.

The previous prime is 3216317540231. The next prime is 3216317540273. The reversal of 3216317540255 is 5520457136123.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3216317540255 - 2¹⁰ = 3216317539231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321631754021 + ... + 321631754030.

It is an arithmetic number, because the mean of its divisors is an integer number (964895262078).

Almost surely, 2^{3216317540255} is an apocalyptic number.

3216317540255 is a deficient number, since it is larger than the sum of its proper divisors (643263508057).

3216317540255 is an equidigital number, since it uses as much as digits as its factorization.

3216317540255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643263508056.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 3216317540255 in words is "three trillion, two hundred sixteen billion, three hundred seventeen million, five hundred forty thousand, two hundred fifty-five".